Home / 381,445,960.62-572,254,232.31-139,108,864.62

Finding the Fourth Proportional to 381,445,960.62, 572,254,232.31 and 139,108,864.62

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Solution

The fourth proportional to 381,445,960.62, 572,254,232.31 and 139,108,864.62 is: 208,694,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,445,960.62 : 572,254,232.31 = 139,108,864.62 : x
  2. Step 2: Convert to fraction form
    381,445,960.62/572,254,232.31 = 139,108,864.62/x
  3. Step 3: Cross multiply
    381,445,960.62x = 572,254,232.31 × 139,108,864.62
  4. Step 4: Simplify right side
    381,445,960.62x = 79,605,636,530,633,808
  5. Step 5: Solve for x
    x = 79,605,636,530,633,808/381,445,960.62
  6. Step 6: Final answer
    x = 208,694,401.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.